Seiko Cal. 5657 - 907

This Automatic model from 1978 features a 39mm Gold-Plated case. Powered by the 5657 caliber with 25j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-c2931145b9b1]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

Related Models

• Seiko 6267-907
• Seiko 3810-996
• Seiko 7173-475
• Seiko 5244-326
• Seiko 6356-515
• Seiko 7094-843
• Seiko 6342-520
• Seiko 4446-531
• Seiko 7027-628
• Seiko 7099-205
• Seiko 6673-581
• Seiko 0776-634