Seiko Cal. 3875 - 772

This Spring Drive model from 1975 features a 40mm Hardlex-Coated Steel case. Powered by the 3875 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-4e6fb9a52ac0]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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