Seiko Cal. 6165 - 137

This Spring Drive model from 1978 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-51a53332f018]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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