Seiko Cal. 5663 - 101

This Spring Drive model from 1995 features a 36mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-1da81c9c137b]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1995

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