Seiko Cal. 6156 - 839

This Hand-Winding model from 1999 features a 38mm Hardlex-Coated Steel case. Powered by the 6156 caliber with 27j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-e81d013a183a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1999

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