Seiko Cal. 6113 - 377

This Spring Drive model from 1975 features a 37mm Hardlex-Coated Steel case. Powered by the 6113 caliber with 35j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-6ab420af7d8e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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