Seiko Cal. 6121 - 278

This Hand-Winding model from 1978 features a 38mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-8785f63f4707]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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