Seiko Cal. 6137 - 645

The Seiko 6137-645 represents an important milestone in Seiko's 1995 lineup. Powered by the 6137 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-cb38dac6f42b]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1995

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