Seiko Cal. 4548 - 604

The Seiko 4548-604 represents an important milestone in Seiko's 1966 lineup. Powered by the 4548 caliber with 33j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-e43d4434580c]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

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