Seiko Cal. 6237 - 527

The Seiko 6237-527 represents an important milestone in Seiko's 1977 lineup. Powered by the 6237 caliber with 25j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-8a9272f0c6d4]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

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