Seiko Cal. 7038 - 637

The Seiko 7038-637 represents an important milestone in Seiko's 1991 lineup. Powered by the 7038 caliber with 18j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-90d2ae6f799b]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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