Seiko Cal. 3873 - 921

This Spring Drive model from 1975 features a 39mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-3e0e931a4e9c]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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