Seiko Cal. 4446 - 138

This Solar model from 1989 features a 46mm Stainless Steel case. Powered by the 4446 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-1dcce6e79c6d]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1989

Related Models

• Seiko 5257-685
• Seiko 6194-461
• Seiko 4431-380
• Seiko 6335-323
• Seiko 5672-773
• Seiko 5269-650
• Seiko 6213-361
• Seiko 0751-634
• Seiko 4525-221
• Seiko 5647-461
• Seiko 6290-223
• Seiko 7163-346