Seiko Cal. 4438 - 504

This Solar model from 1985 features a 40mm PVD Black case. Powered by the 4438 caliber with 28j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-e52031536b81]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1985

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