Seiko Cal. 3888 - 277

This Automatic model from 1972 features a 37mm Titanium case. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-18f414228b15]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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