Seiko Cal. 4537 - 837

The Seiko 4537-837 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-4c6a78244753]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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