Seiko Cal. 5681 - 435

This Automatic model from 1977 features a 36mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-6fa4d83919df]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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