Seiko Cal. 0739 - 158

This Hand-Winding model from 1978 features a 40mm Two-Tone case. Powered by the 0739 caliber with 31j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-b88a520213bf]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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