Seiko Cal. 3846 - 121

This Spring Drive model from 1972 features a 46mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-e66750ca782c]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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