Seiko Cal. 6357 - 275

The Seiko 6357-275 represents an important milestone in Seiko's 1974 lineup. Powered by the 6357 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-dad99e18e18b]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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