Seiko Cal. 5634 - 258

This Spring Drive model from 1987 features a 38mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-a1d1397b48e3]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1987

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