Seiko Cal. 3897 - 151

Seiko 3897-151

This Automatic model from 1975 features a 38mm Stainless Steel case. Powered by the 3897 caliber with 33j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-5b3af4712b8d]

Also known as: Bullhead, Crown

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
33j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1975

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