Seiko Cal. 6356 - 256

The Seiko 6356-256 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-332232d33582]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1976

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