Seiko Cal. 7137 - 852

The Seiko 7137-852 represents an important milestone in Seiko's 1986 lineup. Powered by the 7137 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-b06d5c48dc0a]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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