Seiko Cal. 5637 - 431

This Hand-Winding model from 1998 features a 43mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-a847d96550a9]

Also known as: Panda, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

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