Seiko Cal. 7138 - 450

The 7138-450 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7138 caliber with 31j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-3262dcfe57c5]

Also known as: UFO, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

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