Seiko Cal. 4481 - 315

The Seiko 4481-315 represents an important milestone in Seiko's 1978 lineup. Powered by the 4481 caliber with 30j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-e9cc30424e29]

Also known as: Sumo, Panda

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1978

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