Seiko Cal. 4527 - 928

This Hand-Winding model from 1976 features a 40mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-625c3e822f82]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1976

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