Seiko Cal. 5635 - 188

This Spring Drive model from 1971 features a 37mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-686e266a7c37]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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