Seiko Cal. 3826 - 157

This Spring Drive model from 1968 features a 35mm Hardlex-Coated Steel case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-00627c7b7016]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

Related Models

• Seiko 6316-348
• Seiko 3841-623
• Seiko 5641-239
• Seiko 7114-897
• Seiko 4415-424
• Seiko 5624-247
• Seiko 5240-642
• Seiko 5646-446
• Seiko 3816-581
• Seiko 4591-421
• Seiko 6375-827
• Seiko 6329-982