Seiko Cal. 7156 - 278

This Hand-Winding model from 1974 features a 38mm Hardlex-Coated Steel case. Powered by the 7156 caliber with 36j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-ce1592dd7b78]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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