Seiko Cal. 6135 - 856

The Seiko 6135-856 represents an important milestone in Seiko's 1974 lineup. Powered by the 6135 caliber with 22j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-99057c47375e]

Also known as: Tuna, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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