Seiko Cal. 6143 - 265

This Spring Drive model from 1984 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-37947506f491]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

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