Seiko Cal. 6337 - 624

This Spring Drive model from 1983 features a 44mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-7a7f9a15e4b1]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1983

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