Seiko Cal. 3880 - 356

Seiko 3880-356

This Automatic model from 1968 features a 42mm Stainless Steel case. Powered by the 3880 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-bfc362b49f59]

Also known as: Sumo, Navigator

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
8.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1968

Related Models

seikata-wm-bfc362b49f59