Seiko Cal. 7161 - 138

The Seiko 7161-138 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-0afd28238974]

Also known as: Sumo, Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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