Seiko Cal. 5681 - 377

This Spring Drive model from 1982 features a 40mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-36ddfb8062fb]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1982

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