Seiko Cal. 5623 - 381

The 5623-381 is a sought-after Solar piece from Seiko's golden era. Powered by the 5623 caliber with 35j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-d0f65df43f61]

Also known as: UFO, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1996

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