Seiko Cal. 7139 - 993

This Hand-Winding model from 1977 features a 42mm Titanium case. Powered by the 7139 caliber with 34j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-731c8d29eeb9]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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