Seiko Cal. 7131 - 371

The 7131-371 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-e39a8948660a]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1997

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