Seiko Cal. 6161 - 731

The 6161-731 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-143b3c502403]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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