Seiko Cal. 6637 - 753

This Spring Drive model from 1996 features a 37mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-0aeae7f686d8]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1996

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