Seiko Cal. 6379 - 257

This Hand-Winding model from 1990 features a 46mm Hardlex-Coated Steel case. Powered by the 6379 caliber with 34j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-dc40650fc4ec]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1990

Related Models

• Seiko 7043-180
• Seiko 6217-651
• Seiko 5653-781
• Seiko 5219-558
• Seiko 6314-285
• Seiko 3834-248
• Seiko 4567-460
• Seiko 6355-953
• Seiko 5232-539
• Seiko 6680-874
• Seiko 5289-433
• Seiko 0714-170