Seiko Cal. 5637 - 195

This Hand-Winding model from 1980 features a 40mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-133c2ddd13b2]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1980

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