Seiko Cal. 6137 - 478

The Seiko 6137-478 represents an important milestone in Seiko's 1990 lineup. Powered by the 6137 caliber with 35j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-8c686b34ea4a]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1990

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