Seiko Cal. 3897 - 997

This Spring Drive model from 1987 features a 37mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-4a7fd24dbd89]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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