Seiko Cal. 6312 - 647

This Quartz model from 1990 features a 37mm Stainless Steel case. Powered by the 6312 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-c1d1c57d3d2c]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

Related Models

• Seiko 4568-135
• Seiko 6611-671
• Seiko 5295-744
• Seiko 5252-679
• Seiko 6667-891
• Seiko 3810-846
• Seiko 0784-781
• Seiko 0781-493
• Seiko 4485-192
• Seiko 3869-617
• Seiko 5253-645
• Seiko 4432-834