Seiko Cal. 7138 - 779

This Hand-Winding model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 24j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f0b154a88254]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1987

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