Seiko Cal. 4481 - 446

This Automatic model from 1978 features a 39mm Two-Tone case. Powered by the 4481 caliber with 35j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-4c8de08d8a5d]

Also known as: Turtle, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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