Seiko Cal. 5641 - 977

The Seiko 5641-977 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-11cdc50b9f94]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1981

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