Seiko Cal. 0734 - 642

This Spring Drive model from 1978 features a 41mm Hardlex-Coated Steel case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b2de4553c5a3]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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