Seiko Cal. 4538 - 109

The Seiko 4538-109 represents an important milestone in Seiko's 1967 lineup. Powered by the 4538 caliber with 23j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-0023384de37c]

Also known as: Bellmatic, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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