Seiko Cal. 3881 - 138

Seiko 3881-138

The 3881-138 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3881 caliber with 34j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-24d82441086c]

Also known as: Samurai, Shogun

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Silver
Jewels
34j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1976

Related Models

seikata-wm-24d82441086c