Seiko Cal. 6131 - 118

This Spring Drive model from 1997 features a 37mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-e7d9e6358e78]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1997

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