Seiko Cal. 3897 - 735

The Seiko 3897-735 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e7be8a217706]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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