Seiko Cal. 6121 - 541

This Hand-Winding model from 1978 features a 38mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-9063fa8b5d8d]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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