Seiko Cal. 5237 - 688

This Spring Drive model from 1990 features a 42mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-61b70ffc6004]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1990

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