Seiko Cal. 5661 - 239

This Automatic model from 1977 features a 36mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-591ef88b351c]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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