Seiko Cal. 4457 - 136

This Spring Drive model from 1980 features a 45mm Titanium case. Powered by the 4457 caliber with 26j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-db2a1880a2b4]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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